UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 9 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1030 97 -34.7 -37.7 74 3.0 -34.8 0 0 236.4 236.5 236.4 236.8 0.14 1 1020 165 -29.3 -33.6 66 4.3 -29.6 306 2 242.5 242.5 242.3 243.1 0.22 2 1010 237 -21.7 -26.2 67 4.5 -22.2 251 3 250.7 250.8 250.3 251.9 0.45 3 1000 310 -18.9 -23.5 67 4.6 -19.5 195 5 254.2 254.3 253.7 255.8 0.57 4 993 363 -15.3 -19.7 69 4.4 -16.0 196 6 258.4 258.5 257.5 260.6 0.81 5 977 486 -12.3 -16.5 71 4.2 -13.2 199 8 262.6 262.8 261.4 265.5 1.08 6 954 668 -12.1 -16.5 70 4.4 -13.0 204 11 264.6 264.8 262.9 267.6 1.10 7 944 749 -11.3 -17.3 61 6.0 -12.6 206 12 266.2 266.4 264.0 269.1 1.04 8 925 905 -12.1 -24.1 36 12.0 -14.2 210 15 266.9 267.0 263.7 268.6 0.59 9 882 1269 -12.3 -33.3 16 21.0 -15.1 235 12 270.4 270.4 265.4 271.2 0.26 10 850 1551 -13.3 -31.3 20 18.0 -15.9 255 9 272.2 272.3 266.8 273.2 0.33 11 828 1751 -12.9 -33.9 15 21.0 -15.7 267 8 274.7 274.7 268.3 275.5 0.26 12 722 2781 -19.3 -35.3 23 16.0 -21.1 331 4 278.6 278.7 270.8 279.5 0.26 13 700 3011 -20.3 -36.3 23 16.0 -22.1 345 3 280.0 280.0 271.6 280.8 0.24 14 584 4338 -26.3 -43.3 19 17.0 -27.7 358 9 287.9 287.9 275.8 288.4 0.14 15 500 5440 -35.5 -52.5 16 17.0 -36.2 10 15 289.8 289.8 276.6 290.0 0.06 16 449 6176 -41.7 -55.7 20 14.0 -42.1 10 23 291.0 291.0 277.2 291.2 0.04 17 410 6786 -44.5 -55.5 28 11.0 -44.8 10 29 295.1 295.1 279.2 295.2 0.05 18 400 6950 -45.9 -55.9 31 10.0 -46.2 10 31 295.3 295.3 279.3 295.5 0.05 19 356 7717 -52.3 -62.3 29 10.0 -52.5 10 38 296.7 296.7 279.9 296.8 0.02 20 300 8810 -59.1 -68.1 30 9.0 -59.2 10 48 302.0 302.0 282.2 302.1 0.01 21 255 9810 -66.3 -74.3 32 8.0 -66.3 10 55 305.8 305.8 283.7 305.8 0.01 22 250 9930 -66.9 -74.9 31 8.0 -67.0 10 56 306.6 306.6 284.0 306.6 0.01 23 221 10667 -70.3 -78.3 30 8.0 -70.4 5 56 312.4 312.4 286.2 312.4 0.00 24 210 10970 -69.3 -78.3 26 9.0 -69.4 2 53 318.5 318.5 288.3 318.6 0.00 25 200 11260 -70.1 -78.1 30 8.0 -70.1 360 50 321.7 321.7 289.3 321.8 0.00 26 150 12980 -68.1 -76.1 31 8.0 -68.1 340 38 352.8 352.8 297.3 352.8 0.01 27 102 15301 -67.7 -76.7 27 9.0 -67.8 321 33 394.7 394.7 304.5 394.7 0.01 28 100 15420 -68.1 -77.1 26 9.0 -68.2 320 33 396.2 396.2 304.7 396.2 0.01 29 70 17550 -70.5 -79.5 25 9.0 -70.6 315 31 433.6 433.6 309.2 433.6 0.01 30 50 19520 -74.7 -84.7 20 10.0 -74.7 305 29 467.5 467.5 312.4 467.5 0.01 31 46 20004 -75.5 -84.5 23 9.0 -75.6 476.8 476.8 313.2 476.9 0.01 TRP 221 10667 -70.3 -78.3 30 8.0 -70.4 5 56 312.4 312.4 286.2 312.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5130.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 26.39 % Est. max temperature: -0.35 C = 31.36 F Sfc-Lift cond lev (LCL): 978.27 mb = 476.30 m = 1562.65 ft T: -12.54 C 700-500 lapse rate: 6.26 C/km ThetaE index: 0.47 C Layer 925.0- 882.0 mb Conv cond level (CCL): 1020.00 mb = 165.36 m = 542.52 ft Mean mixing ratio: 0.79 g/kg Conv temperature: -18.97 C = -2.15 F Cap Strength: 23.84 C Lifted Index: 24.19 C Risk: None Lifted Index @300 mb: 29.59 C Lifted Index @700 mb: 18.29 C Showalter Index: 13.82 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 4.20 C K Index: -25.10 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 105.35 J/kg Max Up Vert Vel: 14.52 m/s Conv Inhibition (B-): 34917.74 J/kg Cap Strength: 24.22 C Lift Cond Lev (LCL): 922.74 mb = 923.70 m = 3030.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 7 at 7 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1030 97 0 0 -0.0 -0.0 | 187 7 0.9 7.1 1 1000 310 195 5 1.3 4.8 | 190 12 2.2 11.9 2 925 905 210 15 7.5 13.0 | 203 22 8.4 20.1 3 850 1551 255 9 8.7 2.3 | 226 13 9.6 9.4 4 700 3011 345 3 0.8 -2.9 | 202 5 1.7 4.2 5 500 5440 10 15 -2.6 -14.8 | 12 8 -1.7 -7.7 6 400 6950 10 31 -5.4 -30.5 | 11 24 -4.5 -23.5 7 300 8810 10 48 -8.3 -47.3 | 10 41 -7.4 -40.2 8 250 9930 10 56 -9.7 -55.1 | 10 49 -8.8 -48.1 9 221 10667 5 56 -4.9 -55.8 | 5 49 -4.0 -48.7 10 200 11260 360 50 -0.0 -50.0 | 359 43 0.9 -42.9 11 150 12980 340 38 13.0 -35.7 | 334 32 13.9 -28.6 12 100 15420 320 33 21.2 -25.3 | 309 29 22.1 -18.2 13 70 17550 315 31 21.9 -21.9 | 303 27 22.8 -14.8 14 50 19520 305 29 23.8 -16.6 | 291 26 24.7 -9.6 Wind Parameters Mean winds (0-6000m): 337.3 at 9.5 knts Storm direction: 7.3 at 7.1 knts Shear (0-3000m) pos: 2.2 neg: 1.7 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 17.6 deg Storm rel helicity (0-3000m) pos: 62.3 neg: -10.2 tot: 52.1 m^2/s^2 ave: 17.4 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 1.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 4.14 Bulk Shear: 25.45 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 199 5 192 12| 0.0 10.1 10.1| 8.6 -6.3 2.3 4.7 0.08| 12.9 1.0 1000 208 9 199 16| 2.8 5.1 7.8| 36.3 -6.3 30.0 30.0 0.29| 11.1 3.2 1500 218 10 205 16| 3.0 3.4 6.4| 56.5 -6.3 50.2 33.5 0.37| 10.1 3.7 2000 228 9 210 15| 3.0 2.5 5.5| 62.0 -6.3 55.7 27.9 0.37| 8.8 3.2 2500 234 9 213 14| 2.6 2.0 4.6| 62.1 -7.6 54.5 21.8 0.31| 7.8 2.4 3000 236 8 213 14| 2.2 1.7 3.9| 62.3 -10.2 52.1 17.4 0.24| 7.0 1.7 4000 254 7 221 12| 2.3 1.3 3.5| 64.8 -10.2 54.5 13.6 0.30| 5.9 1.8 5000 296 8 246 9| 2.4 1.0 3.4| 67.7 -10.2 57.5 11.5 0.33| 5.2 1.7 6000 337 10 290 5| 2.3 0.4 2.7| 69.3 -10.8 58.5 9.7 0.29| 5.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251209.00.gif